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Thread: 2006 mustang 3V 4.6

  1. 03-25-2022 #1
    saleenrose
    saleenrose is offline
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    2006 mustang 3V 4.6

    Wondering if there is a fuel pump setting fo r keeping fuel pressure in rails, Under WOT the car is full injector, then during owners hard and fast abrupt, brutal shifts he is going wot and the fuel rail empties prior to pump refilling. Is there a way to keep fuel pump running or ???
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  2. 03-26-2022 #2
    B E N
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    That might be a fuel slosh issue, or other mechanical. Fuel pressure is pulse with controlled on these, you would have to go full return style to do what you are asking. It is not a problem on my 06, I am using a gt500 pump setup which is essentially the same as stock with more pump.
    Last edited by B E N; 03-26-2022 at 08:20 AM.
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  3. 03-26-2022 #3
    decipha
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    sounds like you need to dial in the fuel pump voltage

    They didnt delete the pprv (in tank fuel pressure regulator) did they?
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